Car wants to die after de-acceleration

Tiny
ANONYMOUS
  • MEMBER
  • 1993 CHEVROLET SUBURBAN
  • 175,000 MILES
Car wants to die after de-acceleration. Sputters and then revs up to where it should. I've been told it is a bad tps. Any tips?
Friday, February 8th, 2013 AT 9:09 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
If you work the throttle up and down at idle, any hitches? You can use digital multimeter at tps sensor signal wire, key on, dont have to start it. Work throttle up and down while you watch the voltage reading, does the voltage move up and down smoothly, Is there a hitch anywhere? If there is a hitch replace the sensor.
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Friday, February 8th, 2013 AT 9:40 PM

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